Cant Play Online or Joining friends game in Borderlands 1

i have borderlands 1 and i cant start a online game or join friends game, the game say i am not login, anyone know how fix this pls :_(

Hello Pedro!

Please put in a help ticket on the official support page;

https://gearboxsoftware.zendesk.com/hc/en-us

(If you have not already done so).

I two pronged approach is always best.